Dystonia
Definition
Dystonia is a group of complex neurological movement disorders. While the disorders vary in their symptoms, causes, progression, and treatment, dystonia is characterized by involuntary muscle contractions and spasms that result in abnormal postures and movements. Focal dystonias—which affect a single part of the body, such as the face, arms, or vocal chords—are the most common.
Description
Dystonia is not a single disease, but a group of disorders with a variety of symptoms. The most common characteristic of dystonia is twisting, repetitive, and sometimes painful movements that affect a specific part of the body, such as the arms, legs, trunk, neck, eyelids, face, or vocal cords. Cervical dystonia, which affects the head and neck, is the most common adult form of dystonia,...
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